Okay. Okay. She's got this. Flash the badge, say something about the fact that they believe something on one of these people's person is causing trouble, find out the woman broke out a necklace she inherited from her grandmother who was fond of picking fights with people, say she needs to take it for processing and will get it back 'sometime.' That part's totally a lie, but these people don't need to know that.
Turns out the woman's not all that attached to the necklace anyway, just thought it went well with the dress; she hands it over willingly. Mission accomplished! Now she just needs to get it in a...

"Really, dude, can I take you anywhere?" she says, when she sees Joshua.